Turkey travel guide
Explore Kocaeli, a convenient escape near Istanbul offering Marmara and Black Sea coastlines, Kartepe’s mountain scenery, Ballıkayalar Nature Park, museums, beaches, forests and year-round outdoor activities.
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Museums & History
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Submit a Radar report →A Byzantine castle on a hill northeast of Eskihisar harbour. Its inner and outer fortifications form part of the historic defences of the Gulf of Izmit. Check current access arrangements before visiting.
📍 Eskihisar Mahallesi, kale tepesi, Gebze/Kocaeli
Museums & History
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Submit a Radar report →A historic fountain in the village square near Osman Hamdi Bey’s house. Its paired spouts and basins, arched niches and Ottoman inscription reflect Eskihisar’s water-related architectural heritage.
📍 Eskihisar Mahallesi, köy meydanı, tarihî meydan çeşmesi, Gebze/Kocaeli
Cafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
View on mapCafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
View on mapCafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
View on mapCafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
View on mapKafe
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Submit a Radar report →A cafe and restaurant in Hacıhalil, Gebze, offering breakfast, meals and coffee. Contact the business for its current menu, prices and opening hours.
📍 Hacıhalil Mahallesi, Körfez Caddesi No:7/B, Gebze/Kocaeli
Cafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
View on mapCafes & Restaurants
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Submit a Radar report →An food and drink business listed on the map in Kocaeli, Türkiye.
📍 Tepecik Mahallesi, Acısu parkı içi, İzmit
View on mapPlan your visit
Kocaeli lies east of Istanbul between the Marmara and Black Sea coasts, offering industrial heritage, forest areas, beaches and winter activities at Kartepe.
Summer suits the coast, spring and autumn suit nature, and winter attracts visitors to Kartepe.
Rail, buses and ferries serve urban districts. A car is useful for Kartepe and the Black Sea coast.
Travel conditions and opening arrangements can change. Check current information before your visit.
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